The legs of a triangle are 7 and 1. What is the length of the hypotenuse? Round your answer to the nearest tenth.

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?